Cita APA

Beard, C. A. (1942). The american spirit a study of the idea of civilization in the United States. New York: Macmillan.

Citación estilo Chicago

Beard, Charles Austin. The American Spirit a Study of the Idea of Civilization in the United States. New York: Macmillan, 1942.

Cita MLA

Beard, Charles Austin. The American Spirit a Study of the Idea of Civilization in the United States. New York: Macmillan, 1942.